SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Wrestling headgear
United States Patent 3311921
US Patent References:
Fireman's helmet and the like
- - 1492577
Pneumatic headgear
- - 1833708
Wrestling headgear
- - 2886818
Inventors:
Lee, Helm
Publication Date:
04/04/1967
View Patent Images:
Download PDF 3311921
PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Lee, Helm
Primary Class:
2/421
Other Classes:
2/425, 2/209
International Classes:
A63B71/10
;
A63B71/08